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→Key Stage 3
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| style="height:20px; width:300px; text-align:center;" |A [[diagram]] showing the [[blood]] flow through the [[heart]].
| style="height:20px; width:300px; text-align:center;" |A computer generated animation of the [[heart]] pumping.
|}
==Key Stage 4==
===Meaning===
The [[heart]] is an [[organ]] in the [[Circulatory System|circulatory system]] which pumps [[blood]] around the body.
===About the Heart===
: The [[heart]] has 4 separate chambers; the [[Right Atrium]], [[Right Ventricle]], [[Left Atrium]] and [[Left Ventricle]].
: